Rainie Yang won the Best Actress Award at the 45th Taiwan TV Golden Bell Awards for this drama, and Show Luo was also successfully shortlisted for the Best Actor Award at that year's Golden Bell Awards. Xue Hai, a wealthy Taiwanese businessman, went to Hangzhou to study under the alias of Da Lang (played by Show Luo). When he was bullied by his classmates, he was helped by his senior sister Chen Baozhu (played by Rainie Yang), and the two began their first love. A Taiwanese advertising company came to the campus to hold a "Sweetheart Queen" competition. Baozhu won the championship and has since been called "Sweetheart". At this time, Sweetheart's father went bankrupt and abandoned his wife and daughter. Sweetheart had to move back to Taiwan with her mother, and lost contact with Da Lang due to misunderstandings. Abandoned, Da Lang became a playboy who played with emotions. Until one day he heard the radio station "Sweetheart Time". Xue Hai bought the radio station and started to retaliate against Sweetheart. When he saw Sweetheart dating someone else, Xue Hai realized that he still loved Sweetheart. So Da Lang started pursuing Sweetheart again. At this time, Tianxin's mother discovered that Dalang's eldest sister was actually Tianxin's father's first love, so she strongly opposed it. The love road of the Shanghai Prince and Tianxin is full of ups and downs. When can they return to the essence of true love?